<template>
  <div class="login">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
    >
      <h3 class="title">{{ title }}</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          placeholder="账号"
        >
          <svg-icon
            slot="prefix"
            icon-class="user"
            class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon
            slot="prefix"
            icon-class="password"
            class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon
            slot="prefix"
            icon-class="validCode"
            class="el-input__icon input-icon"
          />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img" />
        </div>
      </el-form-item>
      <el-checkbox
        v-model="loginForm.rememberMe"
        style="margin: 0px 0px 25px 0px"
        >记住密码</el-checkbox
      >
      <el-form-item style="width: 100%">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width: 100%"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right" v-if="register">
          <router-link class="link-type" :to="'/register'"
            >立即注册</router-link
          >
        </div>
      </el-form-item>
      <div class="text-center">
        <img
          class="mt10 wechat-icon"
          src="@/assets/images/wx-login.png"
          alt="微信登录"
          @click.stop="wxlogin()"
        />
      </div>
    </el-form>

    <el-dialog
      title="扫码登录"
      custom-class="bind-dialog"
      class="new-common-dialog"
      :visible.sync="bindWxVisible"
      :close-on-click-modal="false"
      :close-on-press-escape="false"
      @close="wxLoginClose"
      width="320px"
    >
      <div class="qr-code">
        <img :src="qrUrl" class="qr-code-img" alt="扫码登录" />
        <div v-if="bindTimeout" class="tip text-center">
          二维码已失效，请点击
          <i class="el-icon-refresh" @click="wxlogin"></i> 刷新
        </div>
      </div>
    </el-dialog>

    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2025 ruoyi.vip All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import { getToken } from "@/utils/auth";
import { getLoginUUid, getUUid, uuidLogin } from "@/api/system/user";

export default {
  name: "Login",
  components: {},
  data() {
    return {
      title: process.env.VUE_APP_TITLE,
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: "",
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" },
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" },
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }],
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined,
      timer: null,
      bindWxVisible: false,
      bindTimeout: false,
      qrUrl: "",
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then((res) => {
        this.captchaEnabled =
          res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), {
              expires: 30,
            });
            Cookies.set("rememberMe", this.loginForm.rememberMe, {
              expires: 30,
            });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" }).catch(() => {});
            })
            .catch(() => {
              this.loading = false;
              if (this.captchaEnabled) {
                this.getCode();
              }
            });
        }
      });
    },
    wxlogin() {
      getLoginUUid().then((response) => {
        const uuid = response.uuid;
        // 使用后端基础URL
        const backendBaseUrl = "http://l9ahqakkef0e.vip3.xiaomiqiu123.top";
        // 使用后端qr-img接口生成二维码图片
        this.qrUrl = `${backendBaseUrl}/wx/qr-img?uuid=${uuid}`;
        this.bindWxVisible = true;
        this.bindTimeout = false;

        let that = this;
        let counter = 1;
        this.timer && clearTimeout(this.timer);
        this.timer = setInterval(function () {
          uuidLogin({
            uuid: uuid,
          })
            .then((res) => {
              counter++;
              if (counter === 60) {
                clearTimeout(that.timer);
                that.bindTimeout = true;
              }
              if (res.status === 1) {
                clearTimeout(that.timer);
                that.bindWxVisible = false;
                that.$message({
                  type: "success",
                  message: "登录成功",
                });
                clearTimeout(that.timer);
                that.$store.dispatch("uuidLogin", res);
                setTimeout(() => {
                  that.$router
                    .push({
                      path: that.redirect || "/",
                    })
                    .catch(() => {});
                }, 1500);
              }
            })
            .catch((err) => {
              that.bindWxVisible = false;
              clearTimeout(that.timer);
            });
        }, 1000);
      });
    },
    wxLoginClose() {
      this.timer && clearTimeout(this.timer);
    },
  },
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  z-index: 1;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
.text-center {
  text-align: center;
}
.mt10 {
  margin-top: 10px;
}
.wechat-icon {
  width: 32px;
  height: 32px;
  cursor: pointer;
}
.qr-code {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px 0;
}
.qr-code-img {
  height: 280px;
}
.tip {
  margin-top: 15px;
  font-size: 14px;
  color: #606266;
}
.el-icon-refresh {
  cursor: pointer;
  color: #409eff;
}
.bind-dialog .el-dialog__body {
  padding: 10px 20px;
}
</style>
